78096980 has 48 divisors (see below), whose sum is σ = 187019280. Its totient is φ = 27138048.

The previous prime is 78096979. The next prime is 78096989. The reversal of 78096980 is 8969087.

It can be written as a sum of positive squares in 8 ways, for example, as 5982916 + 72114064 = 2446^2 + 8492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78096989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4415 + ... + 13254.

It is an arithmetic number, because the mean of its divisors is an integer number (3896235).

Almost surely, 2^78096980 is an apocalyptic number.

It is an amenable number.

78096980 is an abundant number, since it is smaller than the sum of its proper divisors (108922300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78096980 is a wasteful number, since it uses less digits than its factorization.

78096980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708 (or 17706 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 78096980 is about 8837.2495721237. The cubic root of 78096980 is about 427.4428727968.

The spelling of 78096980 in words is "seventy-eight million, ninety-six thousand, nine hundred eighty".